| use std::pin::Pin; |
| use std::future::Future; |
| |
| use crate::io::{self, Seek, SeekFrom}; |
| use crate::task::{Context, Poll}; |
| |
| #[doc(hidden)] |
| #[allow(missing_debug_implementations)] |
| pub struct SeekFuture<'a, T: Unpin + ?Sized> { |
| pub(crate) seeker: &'a mut T, |
| pub(crate) pos: SeekFrom, |
| } |
| |
| impl<T: Seek + Unpin + ?Sized> Future for SeekFuture<'_, T> { |
| type Output = io::Result<u64>; |
| |
| fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> { |
| let pos = self.pos; |
| Pin::new(&mut *self.seeker).poll_seek(cx, pos) |
| } |
| } |